Conference Abstract Book

4. Derivatisation of bacterial supernatant Extracted with 2 ml diethylether Transferred organic layer 1 ml added 2% Benzoyl chloride in asetonitrile 5 min. derivatisation 10 min. centrifigation Added 2 ml saturated NaCl 1 ml added asetonitrile 4 ml filtered; Evaporated Transported vial for HPLC